Oral device for negative pressure device for treating sleep disorder



FIG. 1 is a front elevational view of an oral device for negative pressure device for treating sleep disorder showing our new design, the rear elevational view being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left elevational view thereof; and,

FIG. 5 is a right elevational view thereof.

The broken lines in the drawings depict portions of the oral device for negative pressure device for treating sleep disorder that form no part of the claimed design. 

CLAIM The ornamental design for an oral device for negative pressure device for treating sleep disorder, as shown and described. 